81195765

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{5903}}^1$

素因数の和:6049

約数の個数: 32

約数和(自身を含む): 149630976

約数和(自身を除く): 68435211

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 131, 393, 655, 917, 1965, 2751, 4585, 5903, 13755, 17709, 29515, 41321, 88545, 123963, 206605, 619815, 773293, 2319879, 3866465, 5413051, 11599395, 16239153, 27065255, 81195765]

約数ペア:

[(1, 81195765), (3, 27065255), (5, 16239153), (7, 11599395), (15, 5413051), (21, 3866465), (35, 2319879), (105, 773293), (131, 619815), (393, 206605), (655, 123963), (917, 88545), (1965, 41321), (2751, 29515), (4585, 17709), (5903, 13755)]